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math.DG2024
Geometry and Analysis of Gradient Ricci Solitons in Dimension Four
Xiaodong Cao, Hung Tran
[Dedicated to Richard S. Hamilton on forty years of Ricci flow] Gradient Ricci solitons have garnered significant attention both as self-similar solutions and singularity models of…
math.DG2024
On isometry groups of gradient Ricci solitons
Ha Tuan Dung, Hung Tran
We give a result estimating the dimension of the Lie algebra of Killing vector fields on an irreducible non-trivial gradient Ricci soliton. Then we study the structure of this mani…